Home / 913,068.64-1,369,894.56-439,801.84

Finding the Fourth Proportional to 913,068.64, 1,369,894.56 and 439,801.84

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Solution

The fourth proportional to 913,068.64, 1,369,894.56 and 439,801.84 is: 659,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,068.64 : 1,369,894.56 = 439,801.84 : x
  2. Step 2: Convert to fraction form
    913,068.64/1,369,894.56 = 439,801.84/x
  3. Step 3: Cross multiply
    913,068.64x = 1,369,894.56 × 439,801.84
  4. Step 4: Simplify right side
    913,068.64x = 602,482,148,093.99
  5. Step 5: Solve for x
    x = 602,482,148,093.99/913,068.64
  6. Step 6: Final answer
    x = 659,843.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.